Vise.



Patented Oct. 8, l90l. J. GDODBICH. VISE.

(Application filed Feb. 4, 1901.)

(No Model.)

Ina/6272b?" avakzrz ck JOSEPH GOODRICH, OF CHICAGO, ILLINOIS.

VISE.

SEECIFIGATION forming part of Letters Patent No. 683,931, dated October8, 1901.

Application filed February 4, 1901. Serial No. 45,933. (No model.)

To (LZZ whom it may concern.-

Be it known that I, JOSEPH GOODRICH, a citizen of the United States, anda resident of Chicago, county of Cook, and State of Illinois, haveinvented certain new and useful Improvements in Vises, of which thefollowing is a specification, and which are illustrated in theaccompanying drawings, forming a part thereof. 7

My invention relates to improvements in Vises, and has particularreference to hand- Vises-that is to say, such as are employed by linemenand those engaged in pursuits where it is necessary to have a simple,compact, and efficient portable tool.

The object of my invention is to provide a vise of this character inwhich supplemental means are provided for insuring a powerful andpositive hold on the object grasped by the jaws of the vise after theyhave been adjusted or forced together as far as possible by hand.

Another object is to provide means to preserve the parallelism of thecooperating faces of the jaws irrespective of the size of the objects tobe held thereby.

The invention comprises a stationary jaw and a movable jaw, havingpivotal action, capable of adjustment to and from each other by means ofa screw and thumb-nut in an ordinary manner. The jaws have extensions orlegs, which are joined at their extremities by a cross piece or bar,which has asliding connection with one of the extensions, the other end01": the bar being notched at one edge and passed through an aperture inthe other extension.

Suitable means are employed for holding the extension of the movable jawin any desired position with relation to the bar, and a cam workingagainst the extension, having sliding connection with the bar, forcesthe legs apart, thereby bringing the jaws closer together and morefirmly against the object held thereby. The extensions may be adjustedrelatively to each other by means of the bar connecting the same and theparallelism of the jaws maintained at all times.

In the accompanying drawings, Figure 1 is a side elevation of a vise,showing my invention applied thereto. Fig. 2 is a rear elevation. Fig. 3is a section on the line 3 3 of Fig.

1. Fig. 4 is a detail of the mechanism for adj usting the extensions orlegs of the vise, and Fig. 5 is a detail of the adjusting-cam.

8 and 9 designate the jaws or cooperating members of the vise, theformer being stationary and the latter movable, the jaw 8 having a screw10 fixed thereto, which passes through an aperture 11, terminating in asemispherical enlargement 11 in the jaw 9, adapted to receive a roundedwasher 10 interposed between the movable jaw and a thumb-nut 12 foradjusting the jaws to and from each other. By means of thissemispherical recess and washer the movable jaw is capable of a pivotalmovement when the. jaws are given their final adjustment.

Each jaw has a leg or extension 8 and 9, respectively, preferablychanneled to avoid unnecessary weight, and the extensions are ,connectedat their extremities by a cross piece or bar 13, which has at one end anelongated slot 14:, through which passes a pin 15, whereby the cross-baror connecting-piece has a sliding movement in an aperture 15 in theextension 8 of the jaw 8. The other end of the bar passes through anaperture 16 in the extension of the movable jaw 9, and the extension isheld in any position on the crossbar by means of a latch or catch 17pivoted to the extension and intended to engage the notches 16,provided-along one edge of the cross-bar. V

Carried by the cross-bar 13 by means of a trunnion l9 and capable ofpartial rotation is a cam 18, adapted to be moved against the extensionwhich receives the slotted end of the bar 13, a lever or arm 23,bifurcated at one end to receive a lug 22 of the cam to which it ispivoted, furnishing the means for moving the cam.

A pin or stud 20 projects from the bar 13 and enters a curved recess 21on the under side of the cam 18, serving as a stop to limit the movementof the cam.

The operation is as follows: The object is clamped between the jaws bymoving up the thumb-nut 12 on the screw 10, the legs of the jaws havingbeen adjusted to the approximate size of the object through the mediumof one of the notches 16 and the pivoted latch 17 in order that theparallelism of the jaws may be preserved. This grasping of the object ismerely preliminary or initial and for some work is all that is required;but in many instances the character of the object is such that the handof the operator has not sufficient strength to move the jaws so thatthey will grasp and hold it with sufficient firmness. The jaws havingbeen adjusted as heretofore described, the cam is moved against theextension of the fixed jaw, which results in forcing the extensionsapart, the bar 13 sliding the length of the slot 14 through theextension 8 and the aperture 11 being greater in diameter than the screw10, and by reason of the pivotal movement of the jaw 9 it and the jaw 8are forced together and given an additional and more powerful grasp onthe object. To remove the object, the cam is thrown out of engagementwith the leg S and the thumb-nut unscrewed.

While I have described and shown my invention in connection with ahand-vise, it is obvious that it may be employed with table or benchVises. In fact, it is capable of adaptation to a vise of almost anydescription.

The handle or lever 23 for operating the cam may be moved out of the wayby throwing it over on its pivot between the jaws of the vise, as willbe seen on reference to Fig. 1, the lever in the position referred tobeing shown in dotted lines.

The end of the latch 17 which is adapted to engage the notches of thebar 13 is enlarged and of sufficient weight to cause it to fallautomat-ically into engagement with the notches whenever they arebrought into the path of the latch.

I claim as my invention- 1. In a vise, in combination, a stationary jaw,a movable jaw, means for adjusting the jaws, a bar having a positiveadjustment with one of the jaws and a sliding connection with the other,and means for adjusting the bar relatively to the stationary jaw.

2. In a vise, in combination, a stationary jaw having an extension, amovable jaw having an extension provided with an aperture, a bar havinga sliding connection with the extension of the stationary jaw and thefree end of which is provided with notches and passes through theaperture of the extension of the movable jaw, a catch for engaging oneof the notches, and means for sliding the bar in the extension.

3. In a vise, in combination, a stationary member having an extension, amovable member having an extension, a screw for adjusting the members,the movable member having pivotal movement on the screw, a bar forspreading the extensions, one end of which has a sliding movement on oneof the extensions, and the other extension being adjustably secured tothe opposite end of the bar.

4. In a vise, in combination, a stationary jaw having an extension, amovable jaw having an extension, a cross-bar for spreading theextensions one of which extensions has slidable movement thereon, meansfor adjusting the jaws, a cam for separating the extensions to compressthe jaws, and a handle pivoted to the cam and adapted to be moved to aposition between the jaws.

5. In a vise, in combination, a fixed jaw, a movable jaw, means foradjusting the jaws, a cross-bar connecting the extensions of the jawsand having a sliding movement in one of the extensions and beingadjustably secured to the other, and means for spreading the extensionsto compress the jaws.

6. In a vise, in combination, thejaws,means for adjusting the same, abar connecting the extremities of the jaws, the latter having aperturestherein, a bar one end of which has a sliding movement in the apertureof the extremity of one of the jaws, and the other adjustably held inthe aperture of the extremity of the other jaw, and a cam adapted tocompress the jaws.

7. In a vise, in combination, the jaws, a screw for adjusting the same,extensions carried by the jaws and having apertures at the extremitiesthereof, a bar provided with an elongated slot at one end and a seriesof notches at the other mounted in the apertures of the extensions,means for holding the extension carrying the notched end againstmovement, and a cam adapted to spread the extensions.

8. In a vise, in combination, a stationary jaw having an extension, amovable jaw also having an extension, a screw for adjusting the jaws, across-bar slidably mounted in the extremity of the leg of the stationaryjaw and provided with notches at one edge, the said notched end of thebar passing through an aperture in the extension of the movable jaw, apivoted latch carried by the extension of the movable jaw adapted toengage one of the notches of the bar to hold the extension againstmovement, and a cam carried by the bar and adapted to be moved againstthe extension having the sliding connection with the bar.

JOSEPH GOODRICII. "Witnesses:

ARTHUR B. SEIBOLD, LoUIs K. GILLsoN.

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